KALEIDOSCOPE EYES: Since you’ll probably pass through Grand Central Terminal on your way to some suburban relative’s house for Christmas, leave yourself a few extra minutes to catch the Grand Central Kaleidoscope Light Show. Every half-hour between 9 a.m. and 11 p.m., you can see the constellation-covered ceiling of the Main Concourse transformed by colorful laser imagery — for free! 42nd Street between Lexington and Vanderbilt avenues; grandcentralterminal.com.

Tomorrow

LEGACY OF LIGHT: Live gospel music, traditional African drumming and a performance featuring masks and stilts by the Kotchegna Dance Company are among the highlights of “Kwanzaa at the American Museum of Natural History: The Legacy Continues” (above). Be sure to pick up a kinara (candleholder) at the Kwanzaa Marketplace, temporarily housed in the Milstein Hall of Ocean Life. Noon to 5 p.m., free with admission (suggested $16 for adults, $9 for kids). Central Park West at 79th Street; 212-769-5315.

QUEENS FOR A DAY: Leave the iPad under the tree and travel back in time to the Holiday Open House at Queens County Farm Museum, where kids can try old-fashioned arts and crafts in the historic farmhouse and sip on complimentary mulled cider. Noon to 4 p.m., free. 73-50 Little Neck Parkway; 718-347-FARM.

KLEZ DISPENSER: More than a mere concert, the Museum at Eldridge Street’s annual “Klez for Kids” combines live tunes by Klezmerfest with a re-enactment of a shtetl wedding. Wear your dancing shoes. 12:30 and 2 p.m.; $12 for adults, $6 for kids. 12 Eldridge St., between Canal and Division streets; 212-219-0888.

Still to come

“G” WHIZ: With song titles like “Pizza for Breakfast,” it’s no surprise that kids dig music by rock/funk/folkster Mister G. Be there when he plays the Children’s Museum of Manhattan, and expect to skip the scrambled eggs the next morning. Wednesday, 2 p.m., $10 per person. 212 W. 83rd St., between Broadway and Amsterdam Avenue; 212-721-1223.

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